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Chapter 11: Q29. (page 581)

Find $a_{8}$ if $a_{n} = 4 + 3 n$

Short Answer

Expert verified

The value of $a_{8}$ is28.

Step by step solution

Step 1. Given Information.

Given arithmetic sequence is described by $a_{n} = 4 + 3 n$

Step 2. Calculation.

Plugging the values in the equation:

$\begin{array}{l} a_{n} = 4 + 3 n \\ a_{8} = 4 + 3 (8) \\ a_{8} = 4 + 24 \\ a_{8} = 28 \end{array}$

Step 3. Conclusion.

Hence, $a_{8} = 28$ .

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Find $a_{8}$ if $a_{n} = 4 + 3 n$

Short Answer

Step by step solution

Step 1. Given Information.

Step 2. Calculation.

Step 3. Conclusion.

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Most popular questions from this chapter

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Find a8 if an=4+3n

Short Answer

Step by step solution

Step 1. Given Information.

Step 2. Calculation.

Step 3. Conclusion.

One App. One Place for Learning.

Most popular questions from this chapter

Recommended explanations on Math Textbooks

Discrete Mathematics

Mechanics Maths

Pure Maths

Theoretical and Mathematical Physics

Applied Mathematics

Probability and Statistics

Study anywhere. Anytime. Across all devices.

Find $a_{8}$ if $a_{n} = 4 + 3 n$